our own samantha bee explores this more in depth with this report >> reporter: last week defense secretary leon panetta made military history when he lifted the ban on women serving in combat. immediately, objections were raised. >> there is a difference in the physicality of women and men >> it's a terrible idea. you're going to have the sex assault problem >> people are going to die reporter: author and military expert kingsley brown >> women in combat positions are a threat to military cohesion. it's not clear that men can actually bond with women the way they bond with other women >> reporter: so women can disrupt romance in combat zones? >> almost by definition. reporter: who are these fatigue hags jeopardizing all that military cohesion? meet marine corps captain zoe biddle a plaintiff in the lawsuit to lift the ban on women in combat >> i think it's about time that women are allowed to serve in all roles >> reporter: why do you want to be the one to break up the band of brothers? don't be the yoko >> unit cohesion is based around common mission and being held to standards. >> report